Date in year · 1930 · The 1930s
On May 1, 1930, "Pluto" is officially proposed for the name of the newly discovered dwarf planet by Vesto Slipher in the Lowell Observatory Observation Circular. The name quickly catches on.
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1930
1930s
Featured · May 1, 1930
Pluto is a dwarf planet in the Kuiper belt, a ring of bodies beyond the orbit of Neptune. It is the ninth-largest and tenth-most-massive known object to directly orbit the Sun. It is the largest known trans-Neptunian object by volume by a small margin, but is less massive than Eris.
Around 1930
1930 (MCMXXX) was a common year starting on Wednesday of the Gregorian calendar, the 1930th year of the Common Era (CE) and Anno Domini (AD) designations, the 930th year of the 2nd millennium, the 30th year of the 20th century, and the 1st year of the 1930s decade.
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Largest dwarf planet
Pluto is a dwarf planet in the Kuiper belt, a ring of bodies beyond the orbit of Neptune. It is the ninth-largest and tenth-most-massive known object to directly orbit the Sun. It is the largest known trans-Neptunian object by volume by a small margin, but is less massive than Eris.
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